Analysis
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max time kernel
149s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
19-04-2024 14:06
Static task
static1
Behavioral task
behavioral1
Sample
24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe
Resource
win10v2004-20240412-en
General
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Target
24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe
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Size
4.2MB
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MD5
db2f86f571ecd23acdff760266048eb2
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SHA1
20d81819908f0e38b41c8070fd2b301e4524420c
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SHA256
24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1
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SHA512
0b55c35492c38a7815aa805c5e660f67fc085681f6068a2449a0d005171a9db60c29af08d71f209bdea5765919be2ea826c5d38edcc02104d6aebd05e2f78ee5
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SSDEEP
98304:zu15A1GiNRFuKfVvdEh8/k6ld6teGU//blllQO5EUt0+BFZRUpdVYd:zaARFuKJWhQkavn//blllQdNaFDGXu
Malware Config
Signatures
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Glupteba payload 20 IoCs
Processes:
resource yara_rule behavioral1/memory/1244-2-0x0000000003F90000-0x000000000487B000-memory.dmp family_glupteba behavioral1/memory/1244-3-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/1244-44-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/1244-47-0x0000000003F90000-0x000000000487B000-memory.dmp family_glupteba behavioral1/memory/1608-48-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/1608-143-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/1608-168-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/632-254-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/632-265-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/632-268-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/632-271-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/632-274-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/632-276-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/632-279-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/632-283-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/632-286-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/632-289-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/632-292-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/632-294-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/632-297-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 4508 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid process 632 csrss.exe 2236 injector.exe 3348 windefender.exe 3244 windefender.exe -
Processes:
resource yara_rule C:\Windows\windefender.exe upx behavioral1/memory/3348-263-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3244-266-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3244-272-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.execsrss.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-4084619521-2220719027-1909462854-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe Set value (str) \REGISTRY\USER\S-1-5-21-4084619521-2220719027-1909462854-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
Processes:
csrss.exedescription ioc process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc process File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
Processes:
24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exedescription ioc process File opened (read-only) \??\VBoxMiniRdrDN 24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe -
Drops file in Windows directory 4 IoCs
Processes:
24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.execsrss.exedescription ioc process File opened for modification C:\Windows\rss 24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe File created C:\Windows\rss\csrss.exe 24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exepid process 3928 sc.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 640 1300 WerFault.exe powershell.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exepid process 3384 schtasks.exe 888 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exepowershell.exewindefender.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" 24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2142 = "Transbaikal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-932 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time" 24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-841 = "Argentina Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-104 = "Central Brazilian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1912 = "Russia TZ 10 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" 24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-391 = "Arab Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-121 = "SA Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time" 24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-332 = "E. Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2062 = "North Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2061 = "North Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1502 = "Turkey Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time" 24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2372 = "Easter Island Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2141 = "Transbaikal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time" 24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" 24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time" 24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" 24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" 24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time" 24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-112 = "Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2342 = "Haiti Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" 24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time" 24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-911 = "Mauritius Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" 24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time" 24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-402 = "Arabic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-32 = "Mid-Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-751 = "Tonga Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time" 24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" 24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time" 24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-192 = "Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-384 = "Namibia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-961 = "Paraguay Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1842 = "Russia TZ 4 Standard Time" 24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exepowershell.exe24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid process 1300 powershell.exe 1300 powershell.exe 1244 24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe 1244 24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe 1040 powershell.exe 1040 powershell.exe 1608 24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe 1608 24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe 1608 24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe 1608 24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe 1608 24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe 1608 24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe 1608 24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe 1608 24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe 1608 24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe 1608 24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe 1536 powershell.exe 1536 powershell.exe 3244 powershell.exe 3244 powershell.exe 2676 powershell.exe 2676 powershell.exe 2620 powershell.exe 2620 powershell.exe 2384 powershell.exe 2384 powershell.exe 2236 injector.exe 2236 injector.exe 2236 injector.exe 2236 injector.exe 2236 injector.exe 2236 injector.exe 632 csrss.exe 632 csrss.exe 2236 injector.exe 2236 injector.exe 2236 injector.exe 2236 injector.exe 2236 injector.exe 2236 injector.exe 632 csrss.exe 632 csrss.exe 2236 injector.exe 2236 injector.exe 2236 injector.exe 2236 injector.exe 632 csrss.exe 632 csrss.exe 2236 injector.exe 2236 injector.exe 2236 injector.exe 2236 injector.exe 2236 injector.exe 2236 injector.exe 2236 injector.exe 2236 injector.exe 2236 injector.exe 2236 injector.exe 2236 injector.exe 2236 injector.exe 2236 injector.exe 2236 injector.exe 2236 injector.exe 2236 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid process Token: SeDebugPrivilege 1300 powershell.exe Token: SeDebugPrivilege 1244 24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe Token: SeImpersonatePrivilege 1244 24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe Token: SeDebugPrivilege 1040 powershell.exe Token: SeDebugPrivilege 1536 powershell.exe Token: SeDebugPrivilege 3244 powershell.exe Token: SeDebugPrivilege 2676 powershell.exe Token: SeDebugPrivilege 2620 powershell.exe Token: SeDebugPrivilege 2384 powershell.exe Token: SeSystemEnvironmentPrivilege 632 csrss.exe Token: SeSecurityPrivilege 3928 sc.exe Token: SeSecurityPrivilege 3928 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.execmd.execsrss.exewindefender.execmd.exedescription pid process target process PID 1244 wrote to memory of 1300 1244 24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe powershell.exe PID 1244 wrote to memory of 1300 1244 24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe powershell.exe PID 1244 wrote to memory of 1300 1244 24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe powershell.exe PID 1608 wrote to memory of 1040 1608 24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe powershell.exe PID 1608 wrote to memory of 1040 1608 24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe powershell.exe PID 1608 wrote to memory of 1040 1608 24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe powershell.exe PID 1608 wrote to memory of 2232 1608 24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe cmd.exe PID 1608 wrote to memory of 2232 1608 24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe cmd.exe PID 2232 wrote to memory of 4508 2232 cmd.exe netsh.exe PID 2232 wrote to memory of 4508 2232 cmd.exe netsh.exe PID 1608 wrote to memory of 1536 1608 24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe powershell.exe PID 1608 wrote to memory of 1536 1608 24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe powershell.exe PID 1608 wrote to memory of 1536 1608 24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe powershell.exe PID 1608 wrote to memory of 3244 1608 24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe powershell.exe PID 1608 wrote to memory of 3244 1608 24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe powershell.exe PID 1608 wrote to memory of 3244 1608 24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe powershell.exe PID 1608 wrote to memory of 632 1608 24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe csrss.exe PID 1608 wrote to memory of 632 1608 24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe csrss.exe PID 1608 wrote to memory of 632 1608 24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe csrss.exe PID 632 wrote to memory of 2676 632 csrss.exe powershell.exe PID 632 wrote to memory of 2676 632 csrss.exe powershell.exe PID 632 wrote to memory of 2676 632 csrss.exe powershell.exe PID 632 wrote to memory of 2620 632 csrss.exe powershell.exe PID 632 wrote to memory of 2620 632 csrss.exe powershell.exe PID 632 wrote to memory of 2620 632 csrss.exe powershell.exe PID 632 wrote to memory of 2384 632 csrss.exe powershell.exe PID 632 wrote to memory of 2384 632 csrss.exe powershell.exe PID 632 wrote to memory of 2384 632 csrss.exe powershell.exe PID 632 wrote to memory of 2236 632 csrss.exe injector.exe PID 632 wrote to memory of 2236 632 csrss.exe injector.exe PID 3348 wrote to memory of 1520 3348 windefender.exe cmd.exe PID 3348 wrote to memory of 1520 3348 windefender.exe cmd.exe PID 3348 wrote to memory of 1520 3348 windefender.exe cmd.exe PID 1520 wrote to memory of 3928 1520 cmd.exe sc.exe PID 1520 wrote to memory of 3928 1520 cmd.exe sc.exe PID 1520 wrote to memory of 3928 1520 cmd.exe sc.exe -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe"C:\Users\Admin\AppData\Local\Temp\24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1244 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1300 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1300 -s 25763⤵
- Program crash
PID:640
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C:\Users\Admin\AppData\Local\Temp\24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe"C:\Users\Admin\AppData\Local\Temp\24ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1.exe"2⤵
- Adds Run key to start application
- Checks for VirtualBox DLLs, possible anti-VM trick
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1608 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1040
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C:\Windows\system32\cmd.exeC:\Windows\Sysnative\cmd.exe /C "netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes"3⤵
- Suspicious use of WriteProcessMemory
PID:2232 -
C:\Windows\system32\netsh.exenetsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes4⤵
- Modifies Windows Firewall
PID:4508
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1536
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3244
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C:\Windows\rss\csrss.exeC:\Windows\rss\csrss.exe3⤵
- Executes dropped EXE
- Adds Run key to start application
- Manipulates WinMonFS driver.
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:632 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2676
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C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:3384
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4456
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2620
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2384
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C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exeC:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe taskmgr.exe C:\Users\Admin\AppData\Local\Temp\csrss\injector\NtQuerySystemInformationHook.dll4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:2236
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C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:888
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3348 -
C:\Windows\SysWOW64\cmd.execmd.exe /C sc sdset WinDefender D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPLOCRSDRCWDWO;;;BA)(D;;WPDT;;;BA)(A;;CCLCSWLOCRRC;;;IU)(A;;CCLCSWLOCRRC;;;SU)S:(AU;FA;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;WD)5⤵
- Suspicious use of WriteProcessMemory
PID:1520 -
C:\Windows\SysWOW64\sc.exesc sdset WinDefender D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPLOCRSDRCWDWO;;;BA)(D;;WPDT;;;BA)(A;;CCLCSWLOCRRC;;;IU)(A;;CCLCSWLOCRRC;;;SU)S:(AU;FA;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;WD)6⤵
- Launches sc.exe
- Suspicious use of AdjustPrivilegeToken
PID:3928
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 1300 -ip 13001⤵PID:2196
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3244
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55d1d73796067487e267a4caee703d96a
SHA18b2b3217fe1a22256025e70ffbd8b86d86138f18
SHA2565d3426d10b2c324b4df307be8b5cd3fa648a31f7e9eef3dd9c9194a0f2fd962b
SHA512321b32d80a9769337c9c81227721295fddbfebda51f7737f389fc8136a1c8db87300dd50192e24d7a0c29ab5d70aa59693422e74b827545c6cf92616f85452b8
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5753f7ff62904218cb37892b188920d2d
SHA10bfd01283f70a5cb1b9386ff2273618141346a70
SHA256a26e1cc9dc6d647e52c8d86230bd4c1cf5eaf2acc60266af58eb273cd5233122
SHA512afe09fad9d46ce447b302a1356176dfac2aebb38c87115c4b9f04ac1eefaf3ce939191111ce813c86ac9e10ccecea806b69a52d43ad303fb400ddc0c66ea8e7e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51f6659a51c8e066cf753bd0ea2810303
SHA197314254e53894fa6d6338d8065f6d52f95bd423
SHA25676f32d1e2cc894f89cc6b310083916319cf6a826869b1a788ad01bbf7b322cfe
SHA512ba4c56fa67fd7f43b2e27d4cb5e48e42de10f67b98ed51cbe72daa2055291c48b8074e6257a32eeeb8eb6ded2afb2ee405323d724da47bc3db0e3cddf9fcc53f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e86f61ff20a61dd8fae084a418a0bba3
SHA1f2349c3ad9c967f12a01e07f389184a52fb93d1f
SHA25635a8d7df83fffff3827f78970b6dd699ecf1f3e9a3b20a478a2068939c47aad5
SHA512b9e9a3dcbaf3e59ee8bbc1334d2acd658c90143d654005dd43f3892d4efb30ae801df2640be99903522d1bf2be754e9cdd9646916553d602a781e28fd015f5ab
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD599f6c7ba43eaeea6c06d619602220959
SHA1e4ccf469f2b1232d39b1a0d41f26906c7b66cc08
SHA256888bb797c29c22052f394bab317da74760d26e8b10de60b521cdd60d136a5948
SHA512ae890ce6f0e66368524f231fb892b34f2a6bdd71dbf434caa3454b1595fdd9e490331009400c9815e334d48572df984c356552820a5319c15a90069627f3f34e
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Filesize
4.2MB
MD5db2f86f571ecd23acdff760266048eb2
SHA120d81819908f0e38b41c8070fd2b301e4524420c
SHA25624ce1558c06ac29acaca9b8294ec91f231f05834aafe6139e195b0f65c2a91f1
SHA5120b55c35492c38a7815aa805c5e660f67fc085681f6068a2449a0d005171a9db60c29af08d71f209bdea5765919be2ea826c5d38edcc02104d6aebd05e2f78ee5
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec